.mianX-left,.mianX-right{
  position: relative;
  height: 100%;
  background: white;
  overflow: auto;
}
.mianX-left{
  float: left;
  width: 80%;
}
.mianX-right{
  float: right;
  width: calc(20% - 10px);
}

.miLeftContent{
  height: 100%;
  //padding: 0 20px;
  .mainTitle p{
   padding-left: 0;
    padding-right: 0;
    margin: 0 30px;
  }
}
.miRightContent{
  padding: 40px 0 0 30px;
}
.ContentArea{
  padding: 0 30px;
  height: calc(100% - 59px);
  overflow: auto;
  position: relative;
}

@media screen and (max-width: 1500px){
  .ContentArea{
    height: calc(100% - 47px);
  }

}